2013 Shanghai Question 15 Single-choice Differentiating 2013_上海卷 (物理) 15.已知湖水深度为20m,湖底水温为4℃,水面温度为17℃,大气压强为1.0×10 5Pa。当一气泡从湖底缓慢升到水面时,其体积约为原来的(取g=10m/s 2,ρ=1.0×103kg/m3) A. 12.8倍B. 8.5倍C. 3.1倍D. 2.1倍 Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →